Whynter ARC-122DS 12,000 BTU Dual Hose Portable Air Conditioner * Three operational modes: air conditioner, fan or dehumidifier. This unit features the patented auto drain technology, which uses and recycles moisture collected during the cooling process to produce cool air. Thank you for choosing the Whynter 12,000 BTU Portable Air Conditioner Dual Hose with 3M and Silvershield filter. Please follow the instructions provided in this user guide to obtain the very best performance from your portable air conditioner and take full advantage of the many features your portable air conditioner offers you. The Whynter ARC-122DS portable air conditioner provides 12,000 BTU cooling output while maintaining a compact and portable profile. The dehumidifier mode allows you to extract 76 pints of excess moisture during a 24-hour period. Whynter Elite ARC-122DS 12,000 BTU Dual Hose Portable Air Conditioner, Dehumidifier, Fan with Activated Carbon Filter Plus Storage Bag for Rooms up to 400 sq ft, Multi 4.0 out of 5 stars 575 $411.72 W e’ve tested the best portable air conditioners for five summers, and we’re confident that the 12,000 BTU Whynter ARC-122DS Elite is the best choice for most people who need a portable air conditioner. This unit can cool up to a 400 square feet space (ambient temperature and humidity may influence optimum performance) This Whynter GREEN ARC-12S portable air conditioner features the ECO-FRIENDLY CFC free GREEN R-410A refrigerant and lead free RoHS compliant components. Dual Hose System